ADUR vs LOOP vs OPAL vs GEVO vs AMTX

For growth investors, Loop Industries, Inc.

(LOOP) is the stronger pick with 70. 2% revenue growth year-over-year, versus -31. 5% for Aduro Clean Technologies Inc. (ADUR). OPAL Fuels Inc. (OPAL) offers the better valuation at 15. 6x trailing P/E, making it the more compelling value choice. Analysts rate Aduro Clean Technologies Inc. (ADUR) a "Buy" — based on 1 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

Over the past 5 years, Aduro Clean Technologies Inc.

(ADUR) delivered a total return of +193. 7%, compared to -83. 5% for Loop Industries, Inc. (LOOP). Over 10 years, the gap is even starker: ADUR returned +193. 7% versus GEVO's -98. 6%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Loop Industries, Inc.

(LOOP) is the lower-risk stock at 0. 89β versus Aduro Clean Technologies Inc. 's 1. 80β — meaning ADUR is approximately 102% more volatile than LOOP relative to the S&P 500. On balance sheet safety, Aduro Clean Technologies Inc. (ADUR) carries a lower debt/equity ratio of 1% versus 8% for Loop Industries, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Loop Industries, Inc.

(LOOP) is pulling ahead at 70. 2% versus -31. 5% for Aduro Clean Technologies Inc. (ADUR). On earnings-per-share growth, the picture is similar: OPAL Fuels Inc. grew EPS 638. 9% year-over-year, compared to -25. 0% for Aduro Clean Technologies Inc.. Over a 3-year CAGR, GEVO leads at 415. 1% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

OPAL Fuels Inc.

(OPAL) is the more profitable company, earning 1. 2% net margin versus -52. 5% for Aduro Clean Technologies Inc. — meaning it keeps 1. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: OPAL leads at 1. 4% versus -51. 2% for ADUR. At the gross margin level — before operating expenses — ADUR leads at 100. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

In this comparison, OPAL (15.

3% yield) pays a dividend. ADUR, LOOP, GEVO, AMTX do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Loop Industries, Inc.

(LOOP) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 89)). Gevo, Inc. (GEVO) carries a higher beta of 1. 64 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (LOOP: -90. 8%, GEVO: -98. 6%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (ADUR (Basic Materials) and LOOP (Basic Materials) and OPAL (Utilities) and GEVO (Basic Materials) and AMTX (Energy)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: ADUR is a small-cap quality compounder stock; LOOP is a small-cap high-growth stock; OPAL is a small-cap high-growth stock; GEVO is a small-cap high-growth stock; AMTX is a small-cap quality compounder stock. OPAL pays a dividend while ADUR, LOOP, GEVO, AMTX do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.